A palette of twelve colours that anyone can set on the Ethereum blockchain. Every vote for every colour is tracked and the top twelve make up the palette.
The images above show various different visual applications of the palette and the use of the GUI to vote for a colour (the GUI appears if you click in the window displaying the canvas).
Note that the above images are from test runs. The current palette on the live Ethereum blockchain looks like this, ready for people to vote on:
To use it you’ll need an Ethereum node running locally, and to vote for colours you’ll need some Ether.